In the second season, Alice is in a prison hospital, from which escapes with the help of Luther, then left London. Luther begins to work in the new unit formed by Martin Schenk, which had previously conducted an internal investigation against John. Caroline Jones is coming to Luther. She is the widow of the offender, killed himself after his arrest by Luther. Caroline asks to get her daughter, Jenny, from the sex industry. Luther has to protect Jenny and execute illegal orders from porn kings.